LibRaw is a library for reading RAW files obtained from digital photo cameras (CRW/CR2, NEF, RAF, DNG, and others). LibRaw is based on the source codes of the dcraw utility, though some of the drawbacks of dcraw have been eliminated. The users of the

这是一个关于绘制2D图形的程序，含有源代码，分类清晰，易于学习。-This is a program about painting 2D graph with source codes and easy to learn .

图像边缘提取，对于二值图像进行边缘提取,得出提取后的边缘图像-Image Edge Extraction binary image edge extraction

Google的开源工具zxing core 2.2，可用于制作二维码、条形码等图形。-Google s open source tools zxing core 2.2, for the production of two-dimensional codes, barcodes and other graphics